@conference {spie05:wca, title = {Worst case additive attack against quantization-based data-hiding methods}, booktitle = {Security, Steganography, and Watermarking of Multimedia Contents}, series = {Proc. of SPIE}, volume = {5306}, year = {2005}, month = {January}, pages = {592-601}, publisher = {SPIE}, organization = {SPIE}, address = {San Jose, California, USA}, keywords = {data-hiding, watermarking}, author = {Jose Emilio Vila-Forc{\'e}n and Sviatoslav Voloshynovskiy and Oleksiy Koval and Fernando P{\'e}rez-Gonz{\'a}lez and Thierry Pun}, editor = {Edward J. Delp and Ping W. Wong} }